Ammonium ion reacts slowly with nitrite ion: NH4+ (aq) + NO2-(aq)-> N2(g) + 2H2O(1) Rate data for this reaction, measured at a certain temperature, are shown in the attached table. Use your rate law, and the rate and concentrations for any of the experiments, to calculate the rate constant (k) for the reaction in /Ms. Type your response Expt. [NH4+] (M) [NO₂ ] (M) Rate (M s-1) 1 0.150 0.220 7.00 x 10-6 2 0.600 0.220 2.80 x 10-5 3 0.600 0.110 1.40 x 10-5

Ammonium ion reacts slowly with nitrite ion: NH4+ (aq) + NO2-(aq)-> N2(g) + 2H2O(1) Rate data for this reaction, measured at a certain temperature, are shown in the attached table. Use your rate law, and the rate and concentrations for any of the experiments, to calculate the rate constant (k) for the reaction in /Ms. Type your response Expt. [NH4+] (M) [NO₂ ] (M) Rate (M s-1) 1 0.150 0.220 7.00 x 10-6 2 0.600 0.220 2.80 x 10-5 3 0.600 0.110 1.40 x 10-5

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Q1
a) A chemical reaction is given below. Write the rate of the reaction with respect to each reactant and product. CH3 + 50, → 3Co, + 4H,0 b) A Kinetic experiment gives the following data for the following reaction. Find the average rate of the reaction between t=0 sec to t=15 sec and also between t= 5 sec and t-20 sec. OCr +r → Ol + Cr [ OCr ]M 1.2 0.8 0.3 0.6 0.4 t (sec) 0 5 10 15 20
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A reaction has a rate law of rate= (1.25M^-2s^-1)[A][B]^2. what concentration of b would give the reaction a rate of 0.0621M/s if the concentration of a is 0.250M
For the reaction CH, OH(aq) + H* (aq) + Cl¯ (aq) → CH₂ Cl(aq) + H₂O(1) the value of [H*] was measured over a period of time. Given the data in the table, find the average rate of disappearance of H* (aq) for the time interval between each measurement. Interval: 0 s to 30.0 s reaction rate: 6.5 X10-3 reaction rate: Incorrect Interval: 30.0 s to 60.0 s 4.8 x10-3 Incorrect t (s) 0 30.0 60.0 117.0 [H+] (M) 2.34 2.12 2.00 1.83 M/s M/S Question Source: McQuarrie, Rock, And Gallogly 4e - General Chemistry | Publisher: University Science Books
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The rate of a certain reaction was studied at various temperatures. The table shows temperature (7) and rate constant (k) data collected during the experiments. Plot the data to answer the questions. What is the value of the activation energy, E₁, for this reaction? E₁= kJ. mol What is the value of the pre-exponential factor (sometimes called the frequency factor), A, for this reaction? A = T. 8-1 T(K) 400 420 440 460 480 500 520 540 560 580 k (s-¹) 0.000108 0.000626 0.00310 0.0134 0.0511 0.175 0.547 1.57 4.18 10.4
3) A chemical reaction was conducted at 4 different temperatures and the following data was obtained. Plot the In(k) versus the inverse of the respective temperature using linear regression analysis (Excel). Find the slope (from the graph) and what does that number represent? Use Arrhenius equation. Calculate the Activation Energy for the reaction. Rate constant (k) Temperature of reaction (°C) 0.0521 15 0.101 25 0.184 35 0.332 45 NOTE: Make sure to attach the graph paper with proper calculation.
Help with the question on the right Question 23 Identify the rate-determining step based on the rate law you found in question 23. Given these data for the acid-catalyzed reaction in question 22, find the rate law. 0–H (RCOOH), M [R'OHJ, M (HAJ, M Initial Rate, M-min"' - R-C+ k2 R С—0—Н + HA A- 0.35 0.35 0.50 4.60 0.50 0.62 0.35 0.35 8.14 0.81 0.50 10.6 0.35 0.50 0.75 0–H 9.84 Group 1 0–H 0–H k3 Rate = k[RCOOH][R'OH] R-Ć+ A- R 0–H R—С—0—Н + Rate = k[RCOOH][R'OH][HA] k4 0–H R-ó+ A- Group 2 Rate = k[RCOOR']/{[RCOOH][R'OH]} H Rate = k[R'OH] 0–H Rate = k[RCOOH] k5 R- C-0–R' R-C-0–H + H,о + НА R-o+ A- Group 3 Step 2 or Step 3 O Step 1 or Step 2 Step 1 Step 3 Step 2 Step 1
rate = k [A]1 [B]1 (k = 5.8 M-1∙s-1) Using the above rate law, deduce what volumes of the A and B solutions, and water would need to be combined to achieve a color change at the 90 second mark (you can disregard the need for the B-dilution solution). You must annotate your calculations (tell me why you are doing what you are doing). Remember that the total volume will need to be 20 mL, and that the starting concentrations of the A is 0.0090 M, and B is 0.0050 M.